Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a Aliança Liberal apoiada pela empresa de pesquisa de opinião, Capacent, e por 13,0% do Partido Popular Socialista?
 ###Tabelas: CREATE TABLE opinion_polls (opinion_polls_id AUTO_INCREMENT PRIMARY KEY, Polling Firm VARCHAR, Date VARCHAR, Venstre (V) VARCHAR, Social Democrats (A) VARCHAR, Danish People's Party (O) VARCHAR, Socialist People's Party (F) VARCHAR, Conservative People's Party (C) VARCHAR, Social Liberal Party (B) VARCHAR, Liberal Alliance (I) VARCHAR, Red-Green Alliance (Ø) VARCHAR, Christian Democrats (K) VARCHAR, Government VARCHAR, Opposition VARCHAR) CREATE TABLE wins_3 (wins_3_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date INT, Championship VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score in the final VARCHAR) CREATE TABLE national_team_matches (national_team_matches_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Location VARCHAR, Opponenent VARCHAR, Result VARCHAR, Match type VARCHAR) CREATE TABLE doubles_10_6–4 (doubles_10_6–4_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in Final VARCHAR, Score in Final VARCHAR) CREATE TABLE records_1951–1976 (records_1951–1976_id AUTO_INCREMENT PRIMARY KEY, Time VARCHAR, Athlete VARCHAR, Nationality VARCHAR, Location of race VARCHAR, Date VARCHAR)  
SELECT Liberal Alliance (I) FROM opinion_polls WHERE Polling Firm = capacent AND Socialist People's Party (F) = 13.0%